LEVY, David H. (1948- ) Canadian astronomer, science writer, discoverer of seven comets and minor planets. Co-discoverer of Comet-Levy 9 in 1993 which collided with the Planet Jupiter in 1994. His book: Clyde Tombaugh Discoverer of Pluto. The University of Arizona Press, Tucson, 1991, First Edition. Two hundred-eleven pages. Illustrated. Inscribed and signed by the author: “Inscribed for Walt Farrar with best wishes from David H. Levy TSP’91.” Signed just below the author’s inscription: “Clyde W. Tombaugh.” In fine condition with a very good dust jacket in a protective cover...........$775.00